Molecular formula
C22H24N4O4
144 compounds have this formula on CompoundList.
- Molar mass
- 408.46g/mol
- Monoisotopic mass
- 408.1798Da
- Atoms
- 54
- Elements
- 4
- Rings plus double bonds
- 13
The formula C22H24N4O4 describes a molecule made of 22 carbon atoms, 24 hydrogen atoms, 4 nitrogen atoms and 4 oxygen atoms. It is written in Hill notation: carbon first, then hydrogen, then the other elements in alphabetical order. The formula tells you which atoms are present, not how they are connected, which is why several different chemicals can share it.
Elemental composition
- C Carbon × 2264.69%12.011 × 22 = 264.242 g/mol
- H Hydrogen × 245.92%1.008 × 24 = 24.192 g/mol
- N Nitrogen × 413.72%14.007 × 4 = 56.028 g/mol
- O Oxygen × 415.67%15.999 × 4 = 63.996 g/mol
Look up another formula
Compounds with the formula C22H24N4O4
Isomers we list, best known first. Open one to see its structure, properties, safety data and suppliers.
Showing 1 to 100 of 144 compounds
Naphthalenediimide
CAS 22291-04-9C22H24N4O4
![N-(2-(2-(Dimethylamino)ethoxy)-4-(1H-pyrazol-4-yl)phenyl)-2,3-dihydrobenzo[b][1,4]dioxine-2-carboxamide chemical structure, C22H24N4O4, CAS 1072959-67-1](/s/OQWZIAVXCYIZNN-UHFFFAOYSA-N.svg)
N-(2-(2-(Dimethylamino)ethoxy)-4-(1H-pyrazol-4-yl)phenyl)-2,3-dihydrobenzo[b][1,4]dioxine-2-carboxamide
CAS 1072959-67-1C22H24N4O4
Azd-6482
CAS 1173900-33-8C22H24N4O4
![2-((1-(7-Methyl-2-morpholino-4-oxo-4H-pyrido[1,2-a]pyrimidin-9-yl)ethyl)amino)benzoic acid chemical structure, C22H24N4O4, CAS 663620-70-0](/s/IRTDIKMSKMREGO-UHFFFAOYSA-N.svg)
2-((1-(7-Methyl-2-morpholino-4-oxo-4H-pyrido[1,2-a]pyrimidin-9-yl)ethyl)amino)benzoic acid
CAS 663620-70-0C22H24N4O4
3-(2-Methoxyethyl)-7-(4-phenylpiperazine-1-carbonyl)quinazoline-2,4(1H,3H)-dione
CAS 892271-36-2C22H24N4O4
(S)-2-(((9H-Fluoren-9-yl)methoxy)carbonylamino)-6-azido-2-methylhexanoic acid
CAS 1050501-64-8C22H24N4O4
3-(4-Isopropoxy-3-meo-PH)-N'-(3-methoxybenzylidene)-1H-pyrazole-5-carbohydrazide
CAS 303106-22-1C22H24N4O4
3-(3-(4-(2-Methoxyphenyl)piperazin-1-yl)-3-oxopropyl)quinazoline-2,4(1H,3H)-dione
CAS 896372-77-3C22H24N4O4
![1-(2-(Dimethylamino)ethyl)-3-hydroxy-5-(5-methylfuran-2-yl)-4-(2-methylimidazo[1,2-a]pyridine-3-carbonyl)-1H-pyrrol-2(5H)-one chemical structure, C22H24N4O4, CAS 847179-48-0](/s/XOBQATISFBSLDI-LVZFUZTISA-N.svg)
1-(2-(Dimethylamino)ethyl)-3-hydroxy-5-(5-methylfuran-2-yl)-4-(2-methylimidazo[1,2-a]pyridine-3-carbonyl)-1H-pyrrol-2(5H)-one
CAS 847179-48-0C22H24N4O4
![N-{2-(Phenyldiazenyl)-5-[(tetrahydro-2-furanylcarbonyl)amino]phenyl}tetrahydro-2-furancarboxamide chemical structure, C22H24N4O4, CAS 1164507-25-8](/s/GOOBZODYDNMMBG-UHFFFAOYSA-N.svg)
N-{2-(Phenyldiazenyl)-5-[(tetrahydro-2-furanylcarbonyl)amino]phenyl}tetrahydro-2-furancarboxamide
CAS 1164507-25-8C22H24N4O4
8-(2-Ethoxyethoxy)-1,3-DI-ME-7-(1-naphthyl-ME)-3,7-dihydro-1H-purine-2,6-dione
CAS 476480-56-5C22H24N4O4
![Ethyl 5-{2-[2-(diethylamino)-2-oxoacetyl]-1H-pyrrol-1-yl}-1-phenyl-1H-pyrazole-4-carboxylate chemical structure, C22H24N4O4, CAS 477709-21-0](/s/VDCYMNQOQGTHEO-UHFFFAOYSA-N.svg)
Ethyl 5-{2-[2-(diethylamino)-2-oxoacetyl]-1H-pyrrol-1-yl}-1-phenyl-1H-pyrazole-4-carboxylate
CAS 477709-21-0C22H24N4O4
![2'-Amino-4'a,5',6',7'-tetrahydro-dispiro(1,3-dioxolane-2,6'-naphthalene-4',8''-[1,4]dioxaspiro[4.5]decane)-1',3',3'(4'H)-tricarbonitrile chemical structure, C22H24N4O4, CAS 488107-96-6](/s/QGVWZGDFFYTLES-UHFFFAOYSA-N.svg)
2'-Amino-4'a,5',6',7'-tetrahydro-dispiro(1,3-dioxolane-2,6'-naphthalene-4',8''-[1,4]dioxaspiro[4.5]decane)-1',3',3'(4'H)-tricarbonitrile
CAS 488107-96-6C22H24N4O4
2-(4-Methyl-2,5-dioxo-4-phenylimidazolidin-1-yl)-N-(4-morpholin-4-ylphenyl)acetamide
CAS 956627-67-1C22H24N4O4
![Methyl ((3Z)-2-oxo-3-{[4-(4-toluidino)butanoyl]hydrazono}-2,3-dihydro-1H-indol-1-yl)acetate chemical structure, C22H24N4O4, CAS 624726-20-1](/s/CRCPVKNQISFIKJ-UHFFFAOYSA-N.svg)
Methyl ((3Z)-2-oxo-3-{[4-(4-toluidino)butanoyl]hydrazono}-2,3-dihydro-1H-indol-1-yl)acetate
CAS 624726-20-1C22H24N4O4
![3-[4-(4-Nitrophenyl)piperazin-1-yl]-1-(2-phenylethyl)pyrrolidine-2,5-dione chemical structure, C22H24N4O4, CAS 313378-72-2](/s/BQAZEMVQVGJNLA-UHFFFAOYSA-N.svg)
3-[4-(4-Nitrophenyl)piperazin-1-yl]-1-(2-phenylethyl)pyrrolidine-2,5-dione
CAS 313378-72-2C22H24N4O4
AZD6482 (S-isomer)
CAS 1173900-37-2C22H24N4O4
![N,N'-(9,10-Dioxo-9,10-dihydroanthracene-2,7-diyl)bis[2-(dimethylamino)acetamide] chemical structure, C22H24N4O4, CAS 1190593-30-6](/s/BQUQDCVNESTXAU-UHFFFAOYSA-N.svg)
N,N'-(9,10-Dioxo-9,10-dihydroanthracene-2,7-diyl)bis[2-(dimethylamino)acetamide]
CAS 1190593-30-6C22H24N4O4
N'-(3,4-Dimethoxybenzylidene)-3-(2-propoxyphenyl)-1H-pyrazole-5-carbohydrazide
CAS 303107-87-1C22H24N4O4
![1-(2,4-Dimethylphenyl)-3-[4-(4-nitrophenyl)piperazin-1-yl]pyrrolidine-2,5-dione chemical structure, C22H24N4O4, CAS 313377-76-3](/s/ONTOJHWIUQBVTG-UHFFFAOYSA-N.svg)
1-(2,4-Dimethylphenyl)-3-[4-(4-nitrophenyl)piperazin-1-yl]pyrrolidine-2,5-dione
CAS 313377-76-3C22H24N4O4
5-(4-Ethylpiperazin-1-yl)-2-(5-((4-methoxyphenoxy)methyl)furan-2-yl)oxazole-4-carbonitrile
CAS 942033-30-9C22H24N4O4
1-(4,6-Dimethylpyrimidin-2-yl)-6-(3,4,5-trimethoxyphenyl)-1,5,6,7-tetrahydro-4H-indazol-4-one
CAS 774561-09-0C22H24N4O4
N-(3,4-Dimethoxyphenethyl)-1-(1H-indazol-3-yl)-5-oxo-3-pyrrolidinecarboxamide
CAS 1435980-59-8C22H24N4O4
Dipropyl 3,6-diphenyl-1,2,4,5-tetrazine-1,2-dicarboxylate
CAS 579523-89-0C22H24N4O4
- 5-[1-(3,5-Dimethoxybenzoyl)piperidin-4-yl]-4-phenyl-2,4-dihydro-3H-1,2,4-triazol-3-one1775390-69-6C22H24N4O4
- 2-Methoxy-5-[(4-{[3-(4-methoxyphenyl)-1,2,4-oxadiazol-5-yl]methyl}piperidin-1-yl)carbonyl]pyridine1775298-16-2C22H24N4O4
- PD-L1/VISTA dual inhibitor P172978623-09-3C22H24N4O4
- 3-Morpholino-1-(5-(3-nitrophenyl)-3-phenyl-4,5-dihydro-1H-pyrazol-1-yl)propan-1-one383899-99-8C22H24N4O4
- 3-(1,3-Dioxo-3a,4,7,7a-tetrahydroisoindol-2-yl)-N-methyl-N-[[3-(4-methylphenyl)-1,2,4-oxadiazol-5-yl]methyl]propanamide915916-64-2C22H24N4O4
- (E)-Ethyl 4-(3-(3-isobutyl-2-oxo-2,3-dihydroquinazolin-4(1H)-ylidene)ureido)benzoate899984-25-9C22H24N4O4
- 4-(4-(3-(5-tert-Butylisoxazol-3-yl)ureido)phenoxy)-N-methylbenzamide228999-57-3C22H24N4O4
- N1-(2-cyanophenyl)-N2-(2-(4-methoxyphenyl)-2-morpholinoethyl)oxalamide941933-26-2C22H24N4O4
- 1-Benzyl-3-(2-(3-(3,4-dimethoxyphenyl)-6-oxopyridazin-1(6H)-yl)ethyl)urea1021250-34-9C22H24N4O4
- 1-(2,4-Dimethoxyphenyl)-3-[3-(6-oxo-3-phenyl-1,6-dihydropyridazin-1-yl)propyl]urea1058375-95-3C22H24N4O4
- 1-Benzyl-3-(2-(3-(2,5-dimethoxyphenyl)-6-oxopyridazin-1(6H)-yl)ethyl)urea1021081-88-8C22H24N4O4
- 1-(3,4-Dimethoxyphenyl)-3-(3-(6-oxo-3-phenylpyridazin-1(6H)-yl)propyl)urea1058199-37-3C22H24N4O4
- 1-(4-Ethoxyphenyl)-3-[4-(pyridine-3-carbonyl)piperazin-1-yl]pyrrolidine-2,5-dione728887-67-0C22H24N4O4
- Carbamic acid, N-((2S)-7-cyano-1,2,3,3a,4,8b-hexahydro-3a,8b-dihydroxy-4-(2-pyridinylmethyl)cyclopent(b)indol-2-yl)-, 1-methylethyl ester1443925-25-4C22H24N4O4
- 9,10-Anthracenedione, 1,4-bis((2-(1-aziridinyl)ethyl)amino)-5,8-dihydroxy-70476-94-7C22H24N4O4
- 3-Nitro-4-{[3-(4-morpholinyl)propyl]amino}-1-phenyl-2(1H)-quinolinone683797-60-6C22H24N4O4
- Fmoc-L-MeLys(N3)-OH1263721-14-7C22H24N4O4
- Ethyl 4-[2,5-dioxo-3-(4-pyridin-2-ylpiperazin-1-yl)pyrrolidin-1-yl]benzoate330864-95-4C22H24N4O4
- N-(4-{3-[(4-Morpholin-4-ylphenyl)amino]-2,5-dioxoazolidinyl}phenyl)acetamide1007925-54-3C22H24N4O4
- 1-Ethyl-4-(4-(4-methoxyphenyl)piperazin-1-yl)-3-nitroquinolin-2(1H)-one862210-59-1C22H24N4O4
- N-[(Z)-1-[3-(Cyclohexanecarbonylamino)phenyl]ethylideneamino]-2-nitrobenzamide419558-18-2C22H24N4O4
- (Z)-3-(4-Isopropoxy-3-methoxyphenyl)-N'-(4-methoxybenzylidene)-1H-pyrazole-5-carbohydrazide1285531-38-5C22H24N4O4
- (E)-N'-(3,4-Dimethoxybenzylidene)-3-(4-isopropoxyphenyl)-1H-pyrazole-5-carbohydrazide1285636-80-7C22H24N4O4
- Isobutyl 5-(4-cyanophenyl)-1,3,7-trimethyl-2,4-dioxo-1,2,3,4,5,8-hexahydropyrido[2,3-d]pyrimidine-6-carboxylate868144-39-2C22H24N4O4
- N4,N5-Bis(2-methoxy-5-methylphenyl)-1-methyl-1H-pyrazole-4,5-dicarboxamide1174869-08-9C22H24N4O4
- 3-Methoxy-N-(4-((3-methoxyphenethyl)carbamoyl)phenyl)-1-methyl-1H-pyrazole-4-carboxamide1206998-28-8C22H24N4O4
- 3-Hydroxy-4-isonicotinoyl-1-(3-morpholinopropyl)-5-(pyridin-4-yl)-1H-pyrrol-2(5H)-one847376-50-5C22H24N4O4
- (R)-N-Fmoc-2-(4'-azidobutyl)alanine1198791-54-6C22H24N4O4
- N'-[(E)-(3-Ethoxy-2-hydroxyphenyl)methylidene]-3-(4-propoxyphenyl)-1H-pyrazole-5-carbohydrazide1285541-91-4C22H24N4O4
- 1-(4-Methylphenyl)-4-[4-(4-nitrophenyl)piperazine-1-carbonyl]pyrrolidin-2-one825597-75-9C22H24N4O4
- Ethyl 1-(3-methoxypropyl)-2-oxo-4-(pyridin-3-yl)-1,2,3,4-tetrahydropyrimido[1,2-a]benzimidazole-3-carboxylate1015591-55-5C22H24N4O4
- N-(2-((4-(Benzyloxy)benzyl)amino)-2-oxoethyl)-3-methoxy-1-methyl-1H-pyrazole-4-carboxamide1351610-35-9C22H24N4O4
- 2-(Dimethylamino)-N-[6-[[2-(dimethylamino)acetyl]amino]-9,10-dioxoanthracen-2-yl]acetamide62799-42-2C22H24N4O4
- N'-(2,5-Dioxo-1-phenylpyrrolidin-3-yl)-N'-(2-ethylbutanoyl)pyridine-4-carbohydrazide956262-69-4C22H24N4O4
- 2-(Benzylamino)-4-((1,5-dimethyl-3-oxo-2-phenyl-2,3-dihydro-1H-pyrazol-4-yl)amino)-4-oxobutanoic acid1047980-16-4C22H24N4O4
- 1-(3,4-Dimethoxyphenyl)-4-{3-[4-(dimethylamino)phenyl]-1,2,4-oxadiazol-5-yl}-2-pyrrolidinone941893-28-3C22H24N4O4
- 2-{3-Cyclohexyl-2,4-dioxo-1H,2H,3H,4H-pyrido[2,3-d]pyrimidin-1-yl}-N-(2-methoxyphenyl)acetamide902922-40-1C22H24N4O4
- 2-Ethoxy-N-(2-(3-(4-ethoxyphenyl)-6-oxopyridazin-1(6H)-yl)ethyl)nicotinamide921853-34-1C22H24N4O4
- N-{4-[(6-Ethoxy-2-methylpyrimidin-4-yl)amino]phenyl}-3,4-dimethoxybenzamide946302-90-5C22H24N4O4
- N-(1,3-Dihydro-2H-benzimidazol-2-ylidene)-1-[2-(3,4-dimethoxyphenyl)ethyl]-5-oxopyrrolidine-3-carboxamide1081121-66-5C22H24N4O4
- 4-(4-Methoxyphenyl)-N-[3-(2-methoxyphenyl)-1H-1,2,4-triazol-5-yl]tetrahydro-2H-pyran-4-carboxamide1442078-23-0C22H24N4O4
- 2-(3,4-Dihydro-2H-1,5-benzodioxepin-7-yl)-N-{3-[2-(4-methoxyphenyl)ethyl]-1H-1,2,4-triazol-5-yl}acetamide1574484-53-9C22H24N4O4
- 1-(3-Methoxypropyl)-2-(3,4,5-trimethoxyphenyl)-1H-imidazo[4,5-b]quinoxaline846030-07-7C22H24N4O4
- 1H-Purine-2,6-dione, 3,7-dihydro-8-(2-(3,4-dimethoxyphenyl)ethenyl)-1,3-di-2-propenyl-7-methyl-, (E)-155814-28-1C22H24N4O4
- 2-Methoxy-1-[7-(2-methoxyphenyl)-5-(4-methoxyphenyl)-6,7-dihydro[1,2,4]triazolo[1,5-a]pyrimidin-4(5H)-yl]ethanone879050-49-4C22H24N4O4
- N1-(5-methylisoxazol-3-yl)-N2-(2-morpholino-2-(naphthalen-1-yl)ethyl)oxalamide941996-65-2C22H24N4O4
- 5-((2-Morpholinoethyl)amino)-2-(5-((m-tolyloxy)methyl)furan-2-yl)oxazole-4-carbonitrile942033-34-3C22H24N4O4
- 5-((2-Morpholinoethyl)amino)-2-(5-((o-tolyloxy)methyl)furan-2-yl)oxazole-4-carbonitrile942033-42-3C22H24N4O4
- N1-(2-cyanophenyl)-N2-(2-(3-methoxyphenyl)-2-morpholinoethyl)oxalamide941871-03-0C22H24N4O4
- 3-[2-[4-(4-Methoxyphenyl)piperazin-1-yl]-2-oxoethyl]-3,4-dihydro-1H-1,4-benzodiazepine-2,5-dione1104525-57-6C22H24N4O4
- 1-(2-Methoxyphenyl)-3-(3-(3-(4-methoxyphenyl)-6-oxopyridazin-1(6H)-yl)propyl)urea1040671-57-5C22H24N4O4
- 1-(3-Methoxyphenyl)-3-(3-(3-(4-methoxyphenyl)-6-oxopyridazin-1(6H)-yl)propyl)urea1021253-96-2C22H24N4O4
- 1-(4-Methoxyphenyl)-3-{3-[3-(4-methoxyphenyl)-6-oxo-1,6-dihydropyridazin-1-yl]propyl}urea1021217-33-3C22H24N4O4
- 5-Ethoxy-1,6-dimethyl-3-[2-oxo-2-(1,2,3,4-tetrahydroquinolin-1-yl)ethyl]-1H,2H,3H,4H-pyrido[2,3-d]pyrimidine-2,4-dione946223-02-5C22H24N4O4
- 6,7-Dimethoxy-3-[2-oxo-2-(4-phenylpiperazin-1-yl)ethyl]quinazolin-4(3H)-one1081130-00-8C22H24N4O4
- 5-((3-Morpholinopropyl)amino)-2-(5-(phenoxymethyl)furan-2-yl)oxazole-4-carbonitrile946309-17-7C22H24N4O4
- N-[4-(Acetylamino)phenyl]-3,4-dihydro-3-(2-methylpropyl)-2,4-dioxo-1(2H)-quinazolineacetamide1223880-71-4C22H24N4O4
- N-(4-Methoxyphenyl)-7-methyl-4-oxo-1-[(propylcarbamoyl)methyl]-1,4-dihydro-1,8-naphthyridine-3-carboxamide1251611-30-9C22H24N4O4
- N-(3-Methoxyphenyl)-7-methyl-4-oxo-1-(2-oxo-2-(propylamino)ethyl)-1,4-dihydro-1,8-naphthyridine-3-carboxamide1251544-23-6C22H24N4O4
- (4-((3,4-Dimethoxyphenyl)amino)-7-methyl-1,8-naphthyridin-3-yl)(morpholino)methanone1251600-72-2C22H24N4O4
- (4-((3,5-Dimethoxyphenyl)amino)-7-methyl-1,8-naphthyridin-3-yl)(morpholino)methanone1251600-91-5C22H24N4O4
- N-Cyclohexyl-2-(5-(3-(4-methoxyphenyl)-1,2,4-oxadiazol-5-yl)-2-oxopyridin-1(2H)-yl)acetamide1113105-64-8C22H24N4O4
- 1-(Furan-2-ylmethyl)-N-[3-(2-methylpropyl)-4-oxo-3,4-dihydroquinazolin-6-yl]-5-oxopyrrolidine-3-carboxamide1574528-24-7C22H24N4O4
- Ethyl 3-((N-(2,5-diaza-2-methyl-3-oxo-6-phenylbicyclo[5.4.0]undeca-1(7),5,8,10-tetraen-4-yl)carbamoyl)amino)propanoate1796915-54-2C22H24N4O4
- 1-[2-(2-Methoxyphenoxy)ethyl]-N-(2-methyl-1H-benzimidazol-6-yl)-5-oxopyrrolidine-3-carboxamide1574295-97-8C22H24N4O4
- (4-(7-Methoxybenzofuran-2-carbonyl)piperazin-1-yl)(4,5,6,7-tetrahydropyrazolo[1,5-a]pyridin-2-yl)methanone2034262-94-5C22H24N4O4
- 1-[6,7-Dimethyl-1-(4-methylphenyl)pyrazolo[4,3-b]quinoxalin-3-yl]butane-1,2,3,4-tetrol89912-57-2C22H24N4O4
- [(1-Cyanocyclohexyl)carbamoyl]methyl 2-[(2-methoxyphenyl)amino]pyridine-3-carboxylate924212-56-6C22H24N4O4
- 1-Methyl-3-[2-oxo-2-(1,2,3,4-tetrahydroquinolin-1-yl)ethyl]-5-propoxy-1H,2H,3H,4H-pyrido[2,3-d]pyrimidine-2,4-dione921482-96-4C22H24N4O4
- 1-(8-(2-((Furan-2-ylmethyl)amino)-2-oxoethoxy)quinolin-2-yl)piperidine-4-carboxamide921512-35-8C22H24N4O4
- 2-(3,4-Dimethoxyphenyl)-1-(4-(6-(furan-2-yl)pyridazin-3-yl)piperazin-1-yl)ethanone923156-31-4C22H24N4O4
- N-(2-((3-(1H-Imidazol-1-yl)propyl)carbamoyl)phenyl)-3,4-dimethoxybenzamide947848-85-3C22H24N4O4
- 3-(2-(3,4-Dihydroquinolin-1(2H)-yl)-2-oxoethyl)-6-ethyl-5-methoxy-1-methylpyrido[2,3-d]pyrimidine-2,4(1H,3H)-dione1005302-93-1C22H24N4O4
- 5-Ethoxy-6-ethyl-3-(2-(indolin-1-yl)-2-oxoethyl)-1-methylpyrido[2,3-d]pyrimidine-2,4(1H,3H)-dione1005303-34-3C22H24N4O4
- 2-(3-(4-Methylbenzyl)-2,4-dioxo-3,4-dihydropyrido[3,2-d]pyrimidin-1(2H)-yl)-N-((tetrahydrofuran-2-yl)methyl)acetamide921776-44-5C22H24N4O4
- 1-(Pyridin-3-yl)-N-(3,4,5-trimethoxyphenyl)-3,4-dihydropyrrolo[1,2-a]pyrazine-2(1H)-carboxamide899750-96-0C22H24N4O4
Frequently asked questions
What is the molar mass of C22H24N4O4?
The molar mass of C22H24N4O4 is 408.46 g/mol, calculated from standard atomic weights for 22 carbon atoms, 24 hydrogen atoms, 4 nitrogen atoms and 4 oxygen atoms. The monoisotopic mass is 408.1798 Da.
How many compounds have the formula C22H24N4O4?
CompoundList lists 144 compounds with the molecular formula C22H24N4O4, including Naphthalenediimide, N-(2-(2-(Dimethylamino)ethoxy)-4-(1H-pyrazol-4-yl)phenyl)-2,3-dihydrobenzo[b][1,4]dioxine-2-carboxamide, Azd-6482. Compounds that share a formula are isomers. They contain the same atoms arranged differently, so their properties, uses and prices can be very different.
What is the degree of unsaturation of C22H24N4O4?
C22H24N4O4 has a degree of unsaturation of 13. That is the total number of rings and pi bonds (a double bond counts as one, a triple bond as two) in any structure with this formula.